Many Indian tribes have established energy efficiency and renewable energy goals. But, how do you know what goal to set and when you’ve reached or exceeded that goal? In order to measure energy savings and verify the effectiveness of energy programs and projects, it is important to first have a baseline of how much energy your community is currently using and how much it costs. Having energy data in hand can also be extremely useful when applying for grants or technical assistance. This interactive graphic walks you through the importance of collecting energy data and types of data to collect.